Michelle Trachtenberg, the actor known for “Gossip Girl,” “Buffy the Vampire Slayer” and “Harriet the Spy” died Wednesday.

Michelle Trachtenberg's credits include performances in 'Harriet The Spy,' 'Mysterious Skin' & 'Buffy The Vampire Slayer' ...

Actress Blake Lively has urged the world to remember Gossip Girl co-star Michelle Trachtenberg’s “work and huge heart” following her death at the age of 39.

Trachtenberg starred as the cunning Georgina Sparks on the beloved CW series, appearing in each of the six seasons and ...

Rosie O’Donnell, who starred alongside Trachtenberg in Harriet the Spy, told People she “loved her very much. She struggled ...

Hollywood lost one of the actresses who really made an impact in the ’90s and 2000s. Known for roles in productions that became unforgettable to a whole generation, Michelle Trachtenberg passed away ...

Trachtenberg starred in a variety of kid-oriented movies and shows, making her film debut in 1996’s “Harriet the Spy.” ...

Louise Fitzhugh’s 1964 children’s novel Harriet the Spy was brought to life in a 1996 movie of the same name. Harriet ...

In the year leading up to her death, Trachtenberg sparked concerns among fans who thought she appeared gaunt and frail in ...

Blake Lively, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more shared tributes to ...

She got her start in the film “Harriet the Spy” and the Nickelodeon show “The Adventures of Pete & Pete” before moving on to more adult roles.

Actress Michelle Trachtenberg, known for her roles in "Harriet the Spy" and "Gossip Girl," has died. She was 39.